A 53-year-old man is reviewed in the cardiology clinic with a history of chest pain and syncope. On examination he has an ejection systolic murmur radiating to the carotid area.. Bicuspid aortic valve

A 53-year-old man is reviewed in the cardiology clinic with a history of chest pain and syncope. On examination he has an ejection systolic murmur radiating to the carotid area.
What is the most likely cause of his symptoms?
A.A Bicuspid aortic valve***
B.A Aortic root abscess
C.A Post rheumatic fever
D.A Posterior myocardial infarction
E.A Calcification of the aortic valve.